Page 35 - Arc Guard System - TVOC-2

ABB ARC GUARD SYSTEM™ – TVOC-2 INSTALLATION AND MAINTENANCE GUIDE 35

INFORMATION 4.3.2.2 Arc detection
After completed Start-Up Sequence at the To check the detectors and the Arc Monitor, simulate an
first time installation the complete sytem arc by using a camera flash, repeat the following steps:
needs checking.
This includes checking that the detectors and
HMI works as intended.
1. Set the camera flash to approximately 0.5 ms.
See: “4.3.1 Start-Up Sequence” on page 33.
2. Place the camera flash at a distance between
4.3.2 Check 1.5 - 2 meters (60-80 inches) from the detector.
3. Make sure no object is standing in the way.
INFORMATION
Do the test after installation and before the Arc 4. Point the camera flash towards the detector.
Monitor is used!
5. Press the flash test button.
This test is done for each installed detector
and the Arc Monitor.The test will check that 04
the detectors react to a simulated arc and the 6. Carry out the following steps to check the Arc
HMI will display a notification window showing Monitor
which detector and which circuit breaker is
tripped. The breaker that is connected to the a. Check the HMI display.
Arc Monitor should trip. Use a camera flash to
simulate an arc. At normally sensitivity the Arc b. If the detector reacts correctly and causes
Monitor will react to the flash. a trip then it should show on the HMI display as a
INFORMATION notification window.
Flash specifications to simulate an arc, 16 (m) c. The notification window shows, Trip has
guide no. 21 DIN/100 ASA. Occurred, which detector, which trip contact, at
what time and date.

4.3.2.1 Sensor supervision (E6-S extension module) d. The breaker that is connected to the Arc
Monitor should trip, depending on the
configuration.
Check that the sensor supervision is working for each of
the 10 detectors with the following steps:
e. At the notification window, if manual reset
is configured, press Reset. If auto reset is
1. Force an error by removing either the detector
head, the detector cable or a dummy plug. configured, press Menu.

2. Check the HMI: When the error is applied
the system error popup shall be displayed within
30 seconds on the HMI showing the bit for
sensor supervision error and by pressing page
down the correct detector shall be marked with a
zero (0) for faulty detector.